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Tap Water (4) (I-524A)

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Based on the method described in the Japanese regulation for water supply, anions were analyzed using IC I-524A (an anion analysis column for non-suppressor method).
Please refer to 'Regulation for Water Supply '.


Sample : 100μL each

Anion standards
1. H2PO4- 10mg/L
2. F- 1mg/L
3. Cl- 1mg/L
4. NO2- 5mg/L
5. Br- 5mg/L
6. NO3- 5mg/L
7. SO42- 5mg/L
Tap water
2. F-
3. Cl-
6. NO3-
7. SO42-
Column       : Shodex IC I-524A (4.6mmI.D. x 100mm)
Eluent       : 2.0mM Phthalic acid + 1.84mM Tris(hydroxymethyl)aminomethane
               + 300mM Boric acid aq.
Flow rate    : 1.2mL/min
Detector     : Non-suppressed coductivity
Column temp. : 40°C